|
| 1 | +packageeasy; |
| 2 | + |
| 3 | +importjava.util.HashMap; |
| 4 | +importjava.util.HashSet; |
| 5 | +importjava.util.Iterator; |
| 6 | +importjava.util.Map; |
| 7 | +importjava.util.Set; |
| 8 | + |
| 9 | +publicclassUniqueWordAbbreviation { |
| 10 | + |
| 11 | +privateclassValidWordAbbr { |
| 12 | +privateMap<String,String>dict; |
| 13 | +publicValidWordAbbr(String[]dictionary) { |
| 14 | +dict =newHashMap(); |
| 15 | +for(Stringword :dictionary){ |
| 16 | +Stringkey =word.length() <=2 ?word : (word.charAt(0) +String.valueOf(word.length()-2) +word.charAt(word.length()-1)); |
| 17 | +if(dict.containsKey(key) && !dict.get(key).equals(word)){ |
| 18 | +dict.put(key,""); |
| 19 | + }else { |
| 20 | +dict.put(key,word); |
| 21 | + } |
| 22 | + } |
| 23 | + } |
| 24 | +publicbooleanisUnique(Stringword) { |
| 25 | +Stringkey =word.length() <=2 ?word : (word.charAt(0) +String.valueOf(word.length()-2) +word.charAt(word.length()-1)); |
| 26 | +if(!dict.containsKey(key))returntrue; |
| 27 | +elsereturndict.get(key) !="" &&dict.get(key).equals(word); |
| 28 | + } |
| 29 | + } |
| 30 | +} |
| 31 | + |
| 32 | +classValidWordAbbr { |
| 33 | + |
| 34 | +privateMap<String,Set<String>>dict; |
| 35 | + |
| 36 | +publicValidWordAbbr(String[]dictionary) { |
| 37 | +dict =newHashMap(); |
| 38 | +for(Stringword :dictionary){ |
| 39 | +Stringkey =word.length() <=2 ?word : (word.charAt(0) +String.valueOf(word.length()-2) +word.charAt(word.length()-1)); |
| 40 | +if(dict.containsKey(key)){ |
| 41 | +Set<String>set =dict.get(key); |
| 42 | +set.add(word); |
| 43 | +dict.put(key,set); |
| 44 | + }else { |
| 45 | +Set<String>set =newHashSet(); |
| 46 | +set.add(word); |
| 47 | +dict.put(key,set); |
| 48 | + } |
| 49 | + } |
| 50 | + } |
| 51 | + |
| 52 | +publicbooleanisUnique(Stringword) { |
| 53 | +Stringkey =word.length() <=2 ?word : (word.charAt(0) +String.valueOf(word.length()-2) +word.charAt(word.length()-1)); |
| 54 | +if(!dict.containsKey(key))returntrue; |
| 55 | +else { |
| 56 | +Set<String>set =dict.get(key); |
| 57 | +if(set.size() !=1)returnfalse; |
| 58 | +Iterator<String>it =set.iterator(); |
| 59 | +returnit.next().equals(word); |
| 60 | + } |
| 61 | + } |
| 62 | +} |